CVE-2021-47228 x86/ioremap: Map EFI-reserved memory as encrypted for SEV

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices, efimemreserve is use...

CVE-2021-47228

CVE-2021-47228 affects the Linux kernel x86/ioremap code. The issue arises when EFI boot services memory is preserved with efi_mem_reserve() and marked EFI_MEMORY_RUNTIME; under SEV, such memory must be mapped encrypted, otherwise the kernel may crash during boot. The public docs indicate a fix t...

SUSE CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

SUSE CVE-2024-27413

In the Linux kernel, the following vulnerability has been resolved: efi/capsule-loader: fix incorrect allocation size gcc-14 notices that the allocation with sizeofvoid on 32-bit architectures is not enough for a 64-bit physaddrt: drivers/firmware/efi/capsule-loader.c: In function 'eficapsuleopen...

CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

CVE-2024-35803

A security vulnerability was identified in the Linux kernel's EFI Extensible Firmware Interface stub, specifically affecting systems operating in mixed-mode environments. The issue arises from the EFI stub's handling of boot services, which can lead to stack overflows and potential system...

CVE-2024-27413

In the Linux kernel, the following vulnerability has been resolved: efi/capsule-loader: fix incorrect allocation size gcc-14 notices that the allocation with sizeofvoid on 32-bit architectures is not enough for a 64-bit physaddrt: drivers/firmware/efi/capsule-loader.c: In function 'eficapsuleopen...

CVE-2024-35803

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to b...

CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

DEBIAN-CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

CVE-2024-35803

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to b...

UBUNTU-CVE-2024-35800

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

CVE-2024-35803 x86/efistub: Call mixed mode boot services on the firmware's stack

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to b...

CVE-2024-35803 x86/efistub: Call mixed mode boot services on the firmware's stack

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to b...

CVE-2024-35803

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to b...

CVE-2024-35803

CVE-2024-35803 affects the Linux kernel, specifically the x86 efistub in mixed-mode boot handling. The root cause is that EFI boot service calls were made using the decompressor’s 16k boot stack during 32‑bit firmware entry paths, while EFI boot services require a larger (128k) stack. This mismat...

CVE-2024-35800 efi: fix panic in kdump kernel

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...

CVE-2024-35800

CVE-2024-35800 affects the Linux kernel EFI/kdump path. The root cause is calling get_next_variable() without validating the pointer, which in kdump can be NULL and cause a panic during kexec-ed kernel boot. The fix introduces a validity check before calling get_next_variable(), and the issue was...

CVE-2024-35800 efi: fix panic in kdump kernel

In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if getnextvariable is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware...